trade group

• lobbyEntryway or influence-seeking
• associationGroup with shared aim
• guildProfessional mutual-aid society
• cartelPrice-fixing coalition
• consortiumCooperative group for ventures

federation · chamber · alliance · syndicate · collective · coalition · industry · advocacy · membership · dues · convention · lobbyist · standards · certification · profession · bargaining · interests · bloc

• groupsteam, teams, group, club, clubs
• advocacy groupsadvocacy group, lobbying groups, lobby group, NAACP, lobby groups
• consortiumsconsortium, syndicate, cartel, joint venture, conglomerate
• legal entitiescorporation, law firm, LLC, company, nonprofit
• professional organizationsprofessional association, trade unions, trade association, unions, professional society
• trade organizationstrade association, trade bloc, chamber of commerce, trade commission, trade union